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Dell ThinOS 2402 Administrator’s Guide

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Upgrade BIOS

Prerequisites

  • Depending on your thin client model, download the relevant BIOS file from www.dell.com/support.
  • If you are upgrading BIOS using Wyse Management Suite, register your thin client to Wyse Management Suite.
    NOTE:On thin clients that run ThinOS versions earlier than ThinOS 9.1.6108, you must upgrade the operating system image first. Then, upgrade the BIOS after the operating system image is successfully upgraded. Do not upgrade the BIOS and the operating system image together. If you upgrade the BIOS and the operating system image together, the BIOS upgrade is ignored, and you cannot upgrade the BIOS to the ignored version. You must upgrade the BIOS to another version.

Steps

  1. Open the Admin Policy Tool on the thin client or go to the ThinOS 9.x policy settings on Wyse Management Suite.
  2. On the Configuration Control | ThinOS window, click the Advanced tab.
  3. Expand Firmware and click BIOS Firmware Updates.
  4. Click Browse and select the BIOS file to upload.
  5. From the Select the ThinOS BIOS to deploy drop-down list, select the BIOS file that you have uploaded.
  6. Click Save & Publish.
    The thin client restarts. BIOS is upgraded on your device.
    NOTE:BIOS upgrade requires a display screen (integrated or external) without which the update fails. In this case, you cannot install the BIOS package again. You must install another BIOS version.
    • From ThinOS 2402, if a monitor is not connected to Wyse 5070, the BIOS update fails. After the monitor is connected, the BIOS update is triggered immediately.
    • If a power adapter is not connected on the Wyse 5470, the BIOS update fails. After the power adapter is connected, you must reboot to trigger the BIOS update again.

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